49ers Frank Gore leaves the field after the loss, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013.

49ers Frank Gore leaves the field after the loss, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013.

Photo: Michael Macor, The Chronicle

49ers Frank Gore leaves the field after the loss, as the San... Photo-4134625.56195 - StamfordAdvocate

Image 2 of 98

Colin Kaepernick ran for a touchdown in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Colin Kaepernick ran for a touchdown in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Ray Lewis walked through the confetti at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Ray Lewis walked through the confetti at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

Ray Lewis walked through the confetti at the end of the game. The... Photo-4137066.56195 - StamfordAdvocate

Image 4 of 98

49ers coach Jim Harbaugh yelled at officials for a holding call on the missed catch by Michael Crabtree in the endzone in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

49ers coach Jim Harbaugh yelled at officials for a holding call on the missed catch by Michael Crabtree in the endzone in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl ... more

During the lights out stage of the game, with the 49ers down by two touchdowns, Mike Iupati (right), center Jonathan Goodwin and Anthony Davis (76) sat on the bench. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

During the lights out stage of the game, with the 49ers down by two touchdowns, Mike Iupati (right), center Jonathan Goodwin and Anthony Davis (76) sat on the bench. The Baltimore Ravens defeated the San ... more

Photo: Brant Ward, The Chronicle

During the lights out stage of the game, with the 49ers down by two... Photo-4137068.56195 - StamfordAdvocate

Image 7 of 98

Ravens Paul Kruger and Danell Ellerbe celebrate as the 49ers quarterback Colin Kaepernick watches his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

Ravens Paul Kruger and Danell Ellerbe celebrate as the 49ers quarterback Colin Kaepernick watches his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the ... more

San Francisco 49ers quarterback Colin Kaepernick scores on a 15-yard touchdown run during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers quarterback Colin Kaepernick scores on a 15-yard touchdown run during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, ... more

San Francisco 49ers tight end Vernon Davis has a pass go off his fingers as Baltimore Ravens cornerback Corey Graham defends during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers tight end Vernon Davis has a pass go off his fingers as Baltimore Ravens cornerback Corey Graham defends during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the ... more

Photo: Smiley N. Pool, Chronicle

San Francisco 49ers tight end Vernon Davis has a pass go off his... Photo-4137072.56195 - StamfordAdvocate

Image 10 of 98

Taboola Gallery Frame Item-85307.56195 - StamfordAdvocate

Image 11 of 98

Baltimore Ravens quarterback Joe Flacco (5) slips away from San Francisco 49ers outside linebacker Aldon Smith (99) during the second half of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers fans celebrate a 15-yard touchdown run by quarterback Colin Kaepernick during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers fans celebrate a 15-yard touchdown run by quarterback Colin Kaepernick during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, ... more

Baltimore Ravens tight end Dennis Pitta (88) celebrates with center Matt Birk (77) after scoring on a 1-yard touchdown pass during the second quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens tight end Dennis Pitta (88) celebrates with center Matt Birk (77) after scoring on a 1-yard touchdown pass during the second quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on ... more

Officials reach in to separate San Francisco 49ers tackle Joe Staley (74) from Baltimore Ravens defensive end Arthur Jones (97) as they scuffle during the first half of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Officials reach in to separate San Francisco 49ers tackle Joe Staley (74) from Baltimore Ravens defensive end Arthur Jones (97) as they scuffle during the first half of Super Bowl XLVII at the Mercedes-Benz ... more

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

On the second to last possession Colin Kaepernick was unable to... Photo-4134626.56195 - StamfordAdvocate

Image 17 of 98

San Francisco 49ers' Larry Grant, left, Ray McDonald, right, and Anthony Davis, rear right, walk off the field after the team's 34-31 loss to the Baltimore Ravens in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers' Larry Grant, left, Ray McDonald, right, and Anthony Davis, rear right, walk off the field after the team's 34-31 loss to the Baltimore Ravens in the NFL Super Bowl XLVII football game ... more

Head coach John Harbaugh of the Baltimore Ravens shakes hands with his brother head coach Jim Harbaugh of the San Francisco 49ers after winning Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 34-31. less

Head coach John Harbaugh of the Baltimore Ravens shakes hands with his brother head coach Jim Harbaugh of the San Francisco 49ers after winning Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, ... more

Colin Kaepernick #7 of the San Francisco 49ers walks off the field after losing against the Baltimore Ravens in Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.

Colin Kaepernick #7 of the San Francisco 49ers walks off the field after losing against the Baltimore Ravens in Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.

Photo: Christian Petersen, Getty Images

Colin Kaepernick #7 of the San Francisco 49ers walks off the field... Photo-4134128.56195 - StamfordAdvocate

Image 20 of 98

Taboola Gallery Frame Item-85307.56195 - StamfordAdvocate

Image 21 of 98

NEW ORLEANS, LA - FEBRUARY 03: Perrish Cox #20 of the San Francisco 49ers kneels down among the confetti following their loss to the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 34-31. less

NEW ORLEANS, LA - FEBRUARY 03: Perrish Cox #20 of the San Francisco 49ers kneels down among the confetti following their loss to the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on ... more

San Francisco 49ers head coach Jim Harbaugh protests a non-call by the officials after a fourth down play during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar) less

San Francisco 49ers head coach Jim Harbaugh protests a non-call by the officials after a fourth down play during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, ... more

Half of the stadium goes dark as the lights go out on the San Francisco 49ers and Baltimore Ravens during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Half of the stadium goes dark as the lights go out on the San Francisco 49ers and Baltimore Ravens during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New ... more

Photo: Smiley N. Pool, Chronicle

Half of the stadium goes dark as the lights go out on the San... Photo-4133682.56195 - StamfordAdvocate

Image 25 of 98

Taboola Gallery Frame Item-85307.56195 - StamfordAdvocate

Image 26 of 98

Half the lights are out in the Superdome during a power outage in the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens on Sunday, Feb. 3, 2013, in New Orleans. less

Half the lights are out in the Superdome during a power outage in the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens on Sunday, Feb. 3, 2013, in New ... more

Photo: Marcio Sanchez, Associated Press

Half the lights are out in the Superdome during a power outage in... Photo-4133684.56195 - StamfordAdvocate

Image 27 of 98

Running back Ray Rice (27) is tackled during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Running back Ray Rice (27) is tackled during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Running back Ray Rice (27) is tackled during the second half of... Photo-4134046.56195 - StamfordAdvocate

Image 28 of 98

Brian and Amanda Evans of Salinas, Calif., watch as Ravens fans celebrate after the Ravens defeated the 49ers 34-31 in the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Brian and Amanda Evans of Salinas, Calif., watch as Ravens fans celebrate after the Ravens defeated the 49ers 34-31 in the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, ... more

San Francisco 49ers running back Frank Gore (21) reacts after scoring a touchdown against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Julio Cortez) less

San Francisco 49ers running back Frank Gore (21) reacts after scoring a touchdown against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New ... more

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

On the second to last possession Colin Kaepernick was unable to... Photo-4137079.56195 - StamfordAdvocate

Image 33 of 98

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after scoring on a 15-yard touchdown run during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David J. Phillip) less

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after scoring on a 15-yard touchdown run during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, ... more

Baltimore Ravens linebacker Ray Lewis (52) reacts after the defense stopped the San Francisco 49ers on fourth-and-goal during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. The Ravens won 34-31. (AP Photo/Mark Humphrey) less

Baltimore Ravens linebacker Ray Lewis (52) reacts after the defense stopped the San Francisco 49ers on fourth-and-goal during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in ... more

San Francisco 49ers Running back Frank Gore (21) celebrates with Quarterback Colin Kaepernick (7) after running in a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Running back Frank Gore (21) celebrates with Quarterback Colin Kaepernick (7) after running in a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the ... more

San Francisco 49ers Running back Frank Gore (21) celebrates after running in a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Running back Frank Gore (21) celebrates after running in a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz ... more

San Francisco 49ers wide receiver Michael Crabtree (15) scores on a 31-yard touchdown reception against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Bill Haber) less

San Francisco 49ers wide receiver Michael Crabtree (15) scores on a 31-yard touchdown reception against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, ... more

Baltimore Ravens running back Ray Rice (27) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens running back Ray Rice (27) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

NEW ORLEANS, LA - FEBRUARY 03: Michael Crabtree #15 of the San Francisco 49ers runs into the endzone on a 31-yard touchdown reception in the third quarter against Bernard Pollard #31 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: Michael Crabtree #15 of the San Francisco 49ers runs into the endzone on a 31-yard touchdown reception in the third quarter against Bernard Pollard #31 of the Baltimore Ravens ... more

Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Carlos Avila Gonzalez, The Chronicle

Superbowl XLVII between the San Francisco 49ers and the Baltimore... Photo-4133925.56195 - StamfordAdvocate

Image 44 of 98

Quarterback Alex Smith (11) on the sidelines during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Quarterback Alex Smith (11) on the sidelines during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Quarterback Alex Smith (11) on the sidelines during the first half... Photo-4133926.56195 - StamfordAdvocate

Image 45 of 98

Taboola Gallery Frame Item-85307.56195 - StamfordAdvocate

Image 46 of 98

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Frank Gore #21 and Colin Kaepernick #7 of the San Francisco 49ers celebrate after Gore scored a 6-yard rushing touchdown in the third quarter against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Frank Gore #21 and Colin Kaepernick #7 of the San Francisco 49ers celebrate after Gore scored a 6-yard rushing touchdown in the third quarter against the Baltimore Ravens ... more

Colin Kaepernick #7 of the San Francisco 49ers looks up during a power outage that occurred in the third quarter that caused a 34-minute delay during Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

Colin Kaepernick #7 of the San Francisco 49ers looks up during a power outage that occurred in the third quarter that caused a 34-minute delay during Super Bowl XLVII against the Baltimore Ravens at the ... more

Photo: Mike Ehrmann, Getty Images

Colin Kaepernick #7 of the San Francisco 49ers looks up during a... Photo-4134629.56195 - StamfordAdvocate

Image 48 of 98

San Francisco 49ers offensive lineman Daniel Kilgore (67) waits on the bench during a power outage during the second half of the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans.

San Francisco 49ers offensive lineman Daniel Kilgore (67) waits on the bench during a power outage during the second half of the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans.

Quarterback Colin Kaepernick (7) breaks away for a run in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Quarterback Colin Kaepernick (7) breaks away for a run in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in ... more

Photo: Michael Macor, The Chronicle

Quarterback Colin Kaepernick (7) breaks away for a run in the first... Photo-4133572.56195 - StamfordAdvocate

Image 52 of 98

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Bruce Miller #49 of the San Francisco 49ers and Cary Williams #29 of the Baltimore Ravens exchange words in the first half during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Bruce Miller #49 of the San Francisco 49ers and Cary Williams #29 of the Baltimore Ravens exchange words in the first half during Super Bowl XLVII at the Mercedes-Benz ... more

NEW ORLEANS, LA - FEBRUARY 03: Joe Flacco #5 of the Baltimore Ravens attempts to escape the pressure from Ahmad Brooks #55 of the San Francisco 49ers in the fsecond quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: Joe Flacco #5 of the Baltimore Ravens attempts to escape the pressure from Ahmad Brooks #55 of the San Francisco 49ers in the fsecond quarter during Super Bowl XLVII at the ... more

Wide receiver Michael Crabtree (15) catches a pass downfield in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Wide receiver Michael Crabtree (15) catches a pass downfield in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, ... more

Baltimore Ravens wide receiver Jacoby Jones (12) catches a long pass through the attempted tackle of tight end Delanie Walker (46) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens wide receiver Jacoby Jones (12) catches a long pass through the attempted tackle of tight end Delanie Walker (46) in the first half of Superbowl XLVII between the San Francisco 49ers and the ... more

Isaiah Grant, 4, son of Niners Larry Grant, watches during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013, New Orleans, La. less

Isaiah Grant, 4, son of Niners Larry Grant, watches during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, ... more

NEW ORLEANS, LA - FEBRUARY 03: Michael Crabtree #15 of the San Francisco 49ers makes a catch in the first quarter against Ray Lewis #52 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: Michael Crabtree #15 of the San Francisco 49ers makes a catch in the first quarter against Ray Lewis #52 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz ... more

NEW ORLEANS, LA - FEBRUARY 03: Donte Whitner #31 of the San Francisco 49ers commits a face mask penalty in the second quarter against Ed Dickson #84 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: Donte Whitner #31 of the San Francisco 49ers commits a face mask penalty in the second quarter against Ed Dickson #84 of the Baltimore Ravens during Super Bowl XLVII at the ... more

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Ray Lewis #52 of the Baltimore Ravens and Vernon Davis #85 of the San Francisco 49ers exchange words after Davis made a reception in the second quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. less

NEW ORLEANS, LA - FEBRUARY 03: (L-R) Ray Lewis #52 of the Baltimore Ravens and Vernon Davis #85 of the San Francisco 49ers exchange words after Davis made a reception in the second quarter during Super Bowl ... more

Students from the Sandy Hook Elementary School Choir sing America the Beautiful with Jennifer Hudson during the pre game show of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Students from the Sandy Hook Elementary School Choir sing America the Beautiful with Jennifer Hudson during the pre game show of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Students from the Sandy Hook Elementary School Choir sing America... Photo-4133403.56195 - StamfordAdvocate

Image 63 of 98

Baltimore Ravens wide receiver Anquan Boldin (81) celebrates after scoring on a 13-yard touchdown pass from Joe Flacco past San Francisco 49ers strong safety Donte Whitner (31) during the first quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens quarterback Joe Flacco (5) is sacked by San Francisco 49ers defensive end Ray McDonald (91) as tackle Michael Oher (74) tries to help during the first half of the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel) less

Baltimore Ravens quarterback Joe Flacco (5) is sacked by San Francisco 49ers defensive end Ray McDonald (91) as tackle Michael Oher (74) tries to help during the first half of the NFL Super Bowl XLVII football ... more

Linebacker Tavares Gooden (56) stretches with Linebacker Michael Wilhoite (57) and Defensive tackle Ricky Jean Francois (95) before Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Linebacker Tavares Gooden (56) stretches with Linebacker Michael Wilhoite (57) and Defensive tackle Ricky Jean Francois (95) before Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at ... more

San Francisco 49ers Quarterback Colin Kaepernick (7) talks with running back Frank Gore (21) before a play during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Quarterback Colin Kaepernick (7) talks with running back Frank Gore (21) before a play during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at ... more

San Francisco 49ers head coach Jim Harbaugh during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers head coach Jim Harbaugh during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

Photo: Carlos Avila Gonzalez, The Chronicle

San Francisco 49ers head coach Jim Harbaugh during the first... Photo-4133563.56195 - StamfordAdvocate

Image 70 of 98

Taboola Gallery Frame Item-85307.56195 - StamfordAdvocate

Image 71 of 98

Quarterback Colin Kaepernick (7) hands off to Running back Frank Gore (21) during the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less